diff --git a/llvm/include/llvm/Transforms/IPO/PassManagerBuilder.h b/llvm/include/llvm/Transforms/IPO/PassManagerBuilder.h
--- a/llvm/include/llvm/Transforms/IPO/PassManagerBuilder.h
+++ b/llvm/include/llvm/Transforms/IPO/PassManagerBuilder.h
@@ -112,6 +112,14 @@
     /// passes at the end of the main CallGraphSCC passes and before any
     /// function simplification passes run by CGPassManager.
     EP_CGSCCOptimizerLate,
+
+    /// EP_LinkTimeOptimizationStart - This extensions point allow adding passes that
+    /// run at Link Time, before any Link Time Optimization.
+    EP_LinkTimeOptimizationEarly,
+
+    /// EP_LinkTimeOptimizationStart - This extensions point allow adding passes that
+    /// run at Link Time, after all Link Time Optimization.
+    EP_LinkTimeOptimizationLast,
   };
 
   /// The Optimization Level - Specify the basic optimization level.
diff --git a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
--- a/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
+++ b/llvm/lib/Transforms/IPO/PassManagerBuilder.cpp
@@ -1012,6 +1012,8 @@
   if (VerifyInput)
     PM.add(createVerifierPass());
 
+  addExtensionsToPM(EP_LinkTimeOptimizationEarly, PM);
+
   if (OptLevel != 0)
     addLTOOptimizationPasses(PM);
   else {
@@ -1033,6 +1035,8 @@
   if (OptLevel != 0)
     addLateLTOOptimizationPasses(PM);
 
+  addExtensionsToPM(EP_LinkTimeOptimizationLast, PM);
+
   if (VerifyOutput)
     PM.add(createVerifierPass());
 }